To start, you need to create a Donglify account on the official website of the software:
Once done, you’ll be offered to sign up for one of the Donglify subscription plans which come with a 7-day free trial:
After you have created a Donglify account, download the program and install it on your computer. Now, if you need to access your online account:
click the Settings icon and select Account > Online Account (on macOS).
click the Settings icon and select Online account (on Windows).
and sign in with your credentials on the webpage that will open:
Once logged in, you’ll see your personal profile page:
There you’ll be able to view the list of computers (nodes) currently logged in to your account and log them out when required: